<template>
  <div class="app-container">
	<div class="app-layout">
		<div class="pane" style="width: 100%;">
			<div class="head" style="padding-right: 8px;">
				<span>菜单列表</span>
				<div style="flex: 1;"></div>
				<div>
					<el-button
					  v-hasPerm="['sys:menu:add']"
					  type="primary"
					  icon="plus"
					  @click="handleOpenDialog('-1')"
					  size="small"
					>
					  新增
					</el-button>
				</div>
			</div>  
			<div class="body">
				<div class="table-tool-bar">
					<div>
						<el-input
						  v-model="queryParams.keywords"
						  style="width:320px"
						  placeholder="输入菜单名称进行搜索"
						  class="input-with-select"
						>
						  <template #append>
							<el-button icon="search"  @click="handleQuery" />
						  </template>
						</el-input>
					</div>
				</div>
				<div>
					<el-table
					  v-loading="loading"
					  :data="menuTableData"
					  highlight-current-row
					  row-key="id"
					  :tree-props="{
					    children: 'children',
					    hasChildren: 'hasChildren',
					  }"
					  border
					  @row-click="handleRowClick"
					  height="calc(100vh - 260px)"
					>
					  <el-table-column label="菜单名称" align="left" min-width="200">
					    <template #default="scope">
					      <template v-if="scope.row.icon && scope.row.icon.startsWith('el-icon')">
					        <el-icon style="vertical-align: -0.15em">
					          <component :is="scope.row.icon.replace('el-icon-', '')" />
					        </el-icon>
					      </template>
					      <template v-else-if="scope.row.icon">
					        <svg-icon :icon-class="scope.row.icon" />
					      </template>
					      {{ scope.row.name }}
					    </template>
					  </el-table-column>
					
					  <el-table-column label="类型" align="center" width="90">
					    <template #default="scope">
					      <el-tag v-if="scope.row.type === MenuTypeEnum.CATALOG" type="warning">目录</el-tag>
					      <el-tag v-if="scope.row.type === MenuTypeEnum.MENU" type="success">菜单</el-tag>
					      <el-tag v-if="scope.row.type === MenuTypeEnum.BUTTON" type="danger">按钮</el-tag>
					      <el-tag v-if="scope.row.type === MenuTypeEnum.EXTLINK" type="info">外链</el-tag>
					    </template>
					  </el-table-column>
					  <el-table-column label="路由名称" align="left" width="150" prop="routeName" />
					  <el-table-column label="路由路径" align="left" width="150" prop="path" />
					  <el-table-column label="组件路径" align="left" width="250" prop="component" />
					  <el-table-column label="权限标识" align="left" width="200" prop="perm" a />
					  <el-table-column label="状态" align="center" width="80">
					    <template #default="scope">
					      <el-tag v-if="scope.row.visible === '1'" type="success">显示</el-tag>
					      <el-tag v-else type="info">隐藏</el-tag>
					    </template>
					  </el-table-column>
					  <el-table-column label="排序" align="center" width="80" prop="sort" />
					  <el-table-column fixed="right" align="left" label="操作" width="220">
					    <template #default="scope">
					      <el-button
					        v-if="scope.row.type == 'CATALOG' || scope.row.type == 'MENU'"
					        v-hasPerm="['sys:menu:add']"
					        type="primary"
					        link
					        size="small"
					        icon="plus"
					        @click.stop="handleOpenDialog(scope.row.id)"
					      >
					        新增
					      </el-button>
					
					      <el-button
					        v-hasPerm="['sys:menu:edit']"
					        type="primary"
					        link
					        size="small"
					        icon="edit"
					        @click.stop="handleOpenDialog(undefined, scope.row)"
					      >
					        编辑
					      </el-button>
					      <el-button
					        v-hasPerm="['sys:menu:delete']"
					        type="danger"
					        link
					        size="small"
					        icon="delete"
					        @click.stop="handleDelete(scope.row.id)"
					      >
					        删除
					      </el-button>
					    </template>
					  </el-table-column>
					</el-table>
				</div>
			</div>  
		</div>  
	</div>  

    <el-drawer v-model="dialog.visible" :title="dialog.title" size="550" :close-on-click-modal="false" @close="handleCloseDialog">
      <el-form ref="menuFormRef" :model="formData" :rules="rules" label-width="100px">
        <el-form-item label="父级菜单" prop="parentId">
          <el-tree-select
            v-model="formData.parentId"
            placeholder="选择上级菜单"
            :data="menuOptions"
            filterable
            check-strictly
			:props="defaultProps"
            :render-after-expand="false"
          />
        </el-form-item>

        <el-form-item label="菜单名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入菜单名称" />
        </el-form-item>

        <el-form-item label="菜单类型" prop="type">
          <el-radio-group v-model="formData.type" @change="handleMenuTypeChange">
            <el-radio value="CATALOG">目录</el-radio>
            <el-radio value="MENU">菜单</el-radio>
            <el-radio value="BUTTON">按钮</el-radio>
            <el-radio value="EXTLINK">外链</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item v-if="formData.type == 'EXTLINK'" label="外链地址" prop="path">
          <el-input v-model="formData.path" placeholder="请输入外链完整路径" />
        </el-form-item>

        <el-form-item v-if="formData.type == MenuTypeEnum.MENU" prop="routeName">
          <template #label>
            <div class="flex-y-center">
              路由名称
              <el-tooltip placement="bottom" effect="light">
                <template #content>
                  如果需要开启缓存，需保证页面 defineOptions 中的 name 与此处一致，建议使用驼峰。
                </template>
                <el-icon class="ml-1 cursor-pointer">
                  <QuestionFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>
          <el-input v-model="formData.routeName" placeholder="User" />
        </el-form-item>

        <el-form-item
          v-if="formData.type == MenuTypeEnum.CATALOG || formData.type == MenuTypeEnum.MENU"
          prop="path"
        >
          <template #label>
            <div class="flex-y-center">
              路由路径
              <el-tooltip placement="bottom" effect="light">
                <template #content>
                  定义应用中不同页面对应的 URL 路径，目录需以 / 开头，菜单项不用。例如：系统管理目录
                  /system，系统管理下的用户管理菜单 user。
                </template>
                <el-icon class="ml-1 cursor-pointer">
                  <QuestionFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>
          <el-input
            v-if="formData.type == MenuTypeEnum.CATALOG"
            v-model="formData.path"
            placeholder="system"
          />
          <el-input v-else v-model="formData.path" placeholder="user" />
        </el-form-item>

        <el-form-item v-if="formData.type == MenuTypeEnum.MENU" prop="component">
          <template #label>
            <div class="flex-y-center">
              组件路径
              <el-tooltip placement="bottom" effect="light">
                <template #content>
                  组件页面完整路径，相对于 src/views/，如 system/user/index，缺省后缀 .vue
                </template>
                <el-icon class="ml-1 cursor-pointer">
                  <QuestionFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>

          <el-input v-model="formData.component" placeholder="system/user/index" style="width: 95%">
            <template v-if="formData.type == MenuTypeEnum.MENU" #prepend>src/views/</template>
            <template v-if="formData.type == MenuTypeEnum.MENU" #append>.vue</template>
          </el-input>
        </el-form-item>

        <el-form-item v-if="formData.type == MenuTypeEnum.MENU">
          <template #label>
            <div class="flex-y-center">
              路由参数
              <el-tooltip placement="bottom" effect="light">
                <template #content>
                  组件页面使用 `useRoute().query.参数名` 获取路由参数值。
                </template>
                <el-icon class="ml-1 cursor-pointer">
                  <QuestionFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>

          <div v-if="!formData.params || formData.params.length === 0">
            <el-button type="success" plain @click="formData.params = [{ key: '', value: '' }]">
              添加路由参数
            </el-button>
          </div>

          <div v-else>
            <div v-for="(item, index) in formData.params" :key="index">
              <el-input v-model="item.key" placeholder="参数名" style="width: 100px" />

              <span class="mx-1">=</span>

              <el-input v-model="item.value" placeholder="参数值" style="width: 100px" />

              <el-icon
                v-if="formData.params.indexOf(item) === formData.params.length - 1"
                class="ml-2 cursor-pointer color-[var(--el-color-success)]"
                style="vertical-align: -0.15em"
                @click="formData.params.push({ key: '', value: '' })"
              >
                <CirclePlusFilled />
              </el-icon>
              <el-icon
                class="ml-2 cursor-pointer color-[var(--el-color-danger)]"
                style="vertical-align: -0.15em"
                @click="formData.params.splice(formData.params.indexOf(item), 1)"
              >
                <DeleteFilled />
              </el-icon>
            </div>
          </div>
        </el-form-item>

        <el-form-item v-if="formData.type !== MenuTypeEnum.BUTTON" prop="visible" label="显示状态">
          <el-radio-group v-model="formData.visible">
            <el-radio :value="'1'">显示</el-radio>
            <el-radio :value="'0'">隐藏</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item
          v-if="formData.type === MenuTypeEnum.CATALOG || formData.type === MenuTypeEnum.MENU"
        >
          <template #label>
            <div class="flex-y-center">
              始终显示
              <el-tooltip placement="bottom" effect="light">
                <template #content>
                  选择“是”，即使目录或菜单下只有一个子节点，也会显示父节点。
                  <br />
                  选择“否”，如果目录或菜单下只有一个子节点，则只显示该子节点，隐藏父节点。
                  <br />
                  如果是叶子节点，请选择“否”。
                </template>
                <el-icon class="ml-1 cursor-pointer">
                  <QuestionFilled />
                </el-icon>
              </el-tooltip>
            </div>
          </template>

          <el-radio-group v-model="formData.alwaysShow">
            <el-radio :value="'1'">是</el-radio>
            <el-radio :value="'0'">否</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item v-if="formData.type === MenuTypeEnum.MENU" label="缓存页面">
          <el-radio-group v-model="formData.keepAlive">
            <el-radio :value="'1'">开启</el-radio>
            <el-radio :value="'0'">关闭</el-radio>
          </el-radio-group>
        </el-form-item>
		
		<el-form-item  prop="useType" label="使用范围">
		  <el-radio-group v-model="formData.useType">
		    <el-radio :value="'1'">外部</el-radio>
		    <el-radio :value="'0'">内部</el-radio>
		  </el-radio-group>
		</el-form-item>

        <el-form-item label="排序" prop="sort">
          <el-input-number
            v-model="formData.sort"
            style="width: 100px"
            controls-position="right"
            :min="0"
          />
        </el-form-item>

        <!-- 权限标识 -->
        <el-form-item v-if="formData.type == MenuTypeEnum.BUTTON" label="权限标识" prop="perm">
          <el-input v-model="formData.perm" placeholder="sys:user:add" />
        </el-form-item>

        <el-form-item v-if="formData.type !== MenuTypeEnum.BUTTON" label="图标" prop="icon">
          <!-- 图标选择器 -->
          <icon-select v-model="formData.icon" />
        </el-form-item>

        <el-form-item v-if="formData.type == MenuTypeEnum.CATALOG" label="跳转路由">
          <el-input v-model="formData.redirect" placeholder="跳转路由" />
        </el-form-item>
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit">确 定</el-button>
          <el-button @click="handleCloseDialog">取 消</el-button>
        </div>
      </template>
    </el-drawer>
  </div>
</template>

<script setup lang="ts">
defineOptions({
  name: "SysMenu",
  inheritAttrs: false,
});

import MenuAPI, { MenuQuery, MenuForm, MenuVO } from "@/api/system/menu";
import { MenuTypeEnum } from "@/enums/MenuTypeEnum";
import {
  recurOptions
} from "@/utils/TreeUtil";
const queryFormRef = ref(ElForm);
const menuFormRef = ref(ElForm);
const defaultProps = {
  children: 'children',
  label: 'name',
  value:'id'
}
const loading = ref(false);
const dialog = reactive({
  title: "新增菜单",
  visible: false,
});

// 查询参数
const queryParams = reactive<MenuQuery>({});
// 菜单表格数据
const menuTableData = ref<MenuVO[]>([]);
// 顶级菜单下拉选项
const menuOptions = ref<any>([]);
// 初始菜单表单数据
const initialMenuFormData = ref<any>({
  id: undefined,
  parentId: "0",
  visible: 1,
  sort: 1,
  type: MenuTypeEnum.MENU, // 默认菜单
  alwaysShow: 0,
  keepAlive: 1,
  params: [],
});
// 菜单表单数据
const formData = ref({ ...initialMenuFormData.value });
// 表单验证规则
const rules = reactive({
  parentId: [{ required: true, message: "请选择父级菜单", trigger: "blur" }],
  name: [{ required: true, message: "请输入菜单名称", trigger: "blur" }],
  type: [{ required: true, message: "请选择菜单类型", trigger: "blur" }],
  routeName: [{ required: true, message: "请输入路由名称", trigger: "blur" }],
  path: [{ required: true, message: "请输入路由路径", trigger: "blur" }],
  component: [{ required: true, message: "请输入组件路径", trigger: "blur" }],
  visible: [{ required: true, message: "请选择显示状态", trigger: "change" }],
  useType: [{ required: true, message: "请选择使用范围", trigger: "change" }],
});

// 选择表格的行菜单ID
const selectedMenuId = ref<string | undefined>();

// 查询菜单
function handleQuery() {
  loading.value = true;
  MenuAPI.getList(queryParams)
    .then((data:any) => {
      menuTableData.value = recurOptions(data,'-1');
	  menuOptions.value = [{ id: "-1", name: "顶级菜单", children:menuTableData.value }];
    })
    .finally(() => {
      loading.value = false;
    });
}

// 重置查询
function handleResetQuery() {
  queryFormRef.value.resetFields();
  handleQuery();
}

// 行点击事件
function handleRowClick(row: MenuVO) {
  selectedMenuId.value = row.id;
}

/**
 * 打开表单弹窗
 *
 * @param parentId 父菜单ID
 * @param menuId 菜单ID
 */
function handleOpenDialog(parentId?: string, row?: any) {
  dialog.visible = true;
  if (row) {
    dialog.title = "编辑菜单";
	const editValue={
		id: row.id,
		parentId: row.parentId,
		name: row.name,
		type: row.type, 
		routeName: row.routeName,
		path: row.path,
		component: row.component,
		visible: row.visible,
		icon: row.icon,
		redirect: row.redirect,
		alwaysShow: row.alwaysShow,
		keepAlive: row.keepAlive,
		useType:row.useType,
		perm: row.perm,
		params: row.params?JSON.parse(row.params):[],
		sort: row.sort,
	};
    initialMenuFormData.value = { ...editValue };
    formData.value = editValue;
  } else {
    dialog.title = "新增菜单";
    formData.value.parentId = parentId?.toString();
  }
}

// 菜单类型切换
function handleMenuTypeChange() {
  // 如果菜单类型改变
  if (formData.value.type !== initialMenuFormData.value.type) {
    if (formData.value.type === MenuTypeEnum.MENU) {
      // 目录切换到菜单时，清空组件路径
      if (initialMenuFormData.value.type === MenuTypeEnum.CATALOG) {
        formData.value.component = "";
      } else {
        // 其他情况，保留原有的组件路径
        formData.value.path = initialMenuFormData.value.path;
        formData.value.component = initialMenuFormData.value.component;
      }
    }
  }
}

/**
 * 提交表单
 */
function handleSubmit() {
  menuFormRef.value.validate((isValid: boolean) => {
    if (isValid) {
      const menuId = formData.value.id;
      if (menuId) {
        //修改时父级菜单不能为当前菜单
        if (formData.value.parentId == menuId) {
          ElMessage.error("父级菜单不能为当前菜单");
          return;
        }
        MenuAPI.save({
			id: formData.value.id,
			parentId: formData.value.parentId,
			name: formData.value.name,
			type: formData.value.type, 
			routeName: formData.value.routeName,
			path: formData.value.path,
			component: formData.value.component,
			visible: formData.value.visible,
			icon: formData.value.icon,
			redirect: formData.value.redirect,
			alwaysShow: formData.value.alwaysShow,
			keepAlive: formData.value.keepAlive,
			perm: formData.value.perm,
			useType:formData.value.useType,
			params: JSON.stringify(formData.value.params),
			sort: formData.value.sort,
		}).then(() => {
          ElMessage.success("修改成功");
          handleCloseDialog();
          handleQuery();
        });
      } else {
        MenuAPI.save({
			id: formData.value.id,
			parentId: formData.value.parentId,
			name: formData.value.name,
			type: formData.value.type, 
			routeName: formData.value.routeName,
			path: formData.value.path,
			component: formData.value.component,
			visible: formData.value.visible,
			icon: formData.value.icon,
			redirect: formData.value.redirect,
			alwaysShow: formData.value.alwaysShow,
			keepAlive: formData.value.keepAlive,
			perm: formData.value.perm,
			useType:formData.value.useType,
			params: JSON.stringify(formData.value.params),
			sort: formData.value.sort,
		}).then(() => {
          ElMessage.success("新增成功");
          handleCloseDialog();
          handleQuery();
        });
      }
    }
  });
}

// 删除菜单
function handleDelete(menuId: string) {
  if (!menuId) {
    ElMessage.warning("请勾选删除项");
    return false;
  }

  ElMessageBox.confirm("确认删除已选中的数据项?", "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(
    () => {
      loading.value = true;
      MenuAPI.deleteById(menuId)
        .then(() => {
          ElMessage.success("删除成功");
          handleQuery();
        })
        .finally(() => {
          loading.value = false;
        });
    },
    () => {
      ElMessage.info("已取消删除");
    }
  );
}

function resetForm() {
  menuFormRef.value.resetFields();
  menuFormRef.value.clearValidate();
  formData.value = {
    id: undefined,
    parentId: "-1",
    visible: 1,
    sort: 1,
    type: MenuTypeEnum.MENU, // 默认菜单
    alwaysShow: 0,
    keepAlive: 1,
    params: [],
  };
}

// 关闭弹窗
function handleCloseDialog() {
  dialog.visible = false;
  resetForm();
}

onMounted(() => {
  handleQuery();
});
</script>

<style lang="scss" scoped>
	.left{
		width: 320px;
		margin-right: 10px;
	}
	.right{
		width: calc(100% - 220px);
	}
	.table-tool-bar{
		display: flex;
		justify-content: space-between;
		align-items: center;
		margin-bottom: 5px;
	}
	:deep(.el-table th.el-table__cell) {
		/* background-color: #fafafa; */
		background-color: #eee;
		background-image: url();
		background-image: -webkit-linear-gradient(top, #f2f2f2 0, #fafafa 100%);
		background-image: -moz-linear-gradient(top, #f2f2f2 0, #fafafa 100%);
		background-image: -o-linear-gradient(top, #f2f2f2 0, #fafafa 100%);
		background-image: linear-gradient(to bottom, #f2f2f2 0, #fafafa 100%);
		font-size: 12px;
	}
</style>
